Centering shockproof sleeve of grinding machine
By designing the attentive shock cover in the grinding machine, the combined structure of the shock reduction, the bearing seat and the septum cover is used to solve the problem of shock absorption and poor attentiveness of the grinding machine, and achieve lower component wear and higher. Stability.
Patent Information
- Application Number
- CN202420021325.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-04
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-01-04
AI Technical Summary
The existing grinders have poor results in shock absorption and centering, resulting in severe wear of parts and unstable axial center.
Design a grinding machine attentive anti -shock cover, set up a hole on the top of the beam, insert the shock reduction seat and the bearing seat, and install a separator between the bearing seat and the sliding bearings, combined with the structure of the cylinder and the lifting bearing, to achieve the realization Shock absorption and enthusiasm.
It effectively reduces the vibration generated by the cylinder operation, reduces the wear of parts, and improves the centering ability and stability of the grinder.
Smart Images
Figure CN222386714U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of grinding machine equipment, in particular to a grinding machine centering and shockproof sleeve. Background Art
[0002] A grinder is a machine that grinds the surface of a workpiece with a grinding tool coated or embedded with abrasives. It is mainly used to grind high-precision planes, internal and external cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other surfaces in workpieces. However, the existing grinders are not ideal in terms of shock absorption and centering. The shock absorption effect can not only alleviate the vibration force generated by the grinder during operation and improve stability, but also stabilize the axis and delay the loosening of internal parts of the grinder, thereby improving the grinding quality. Therefore, it is necessary to propose a grinder centering shockproof sleeve to solve the problem of improving the axis stability and shockproof ability of the grinder. Utility Model Content
[0003] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a grinding machine centering shockproof sleeve to solve the problem of severe wear of parts of the grinding machine due to vibration with weak shock absorption ability and severe wear of parts of the grinding machine due to eccentricity.
[0004] The above technical objectives of the utility model are achieved through the following technical solutions:
[0005] A grinding machine centering shockproof sleeve comprises a crossbeam, a through hole is formed on the top of the crossbeam, a shock-absorbing seat is inserted in the through hole, a bearing seat is inserted in the axial hole of the shock-absorbing seat, a spacer sleeve is movably installed in the axial hole of the bearing seat, a sliding bearing is movably installed on the top of the spacer sleeve, the sliding bearing is fixedly connected to the bearing seat, an end cover is movably installed on the top of the bearing seat, a flange seat is fixedly connected to the top of the end cover, a cylinder is fixedly installed on the top of the flange seat, a lifting shaft is fixedly connected to the end of the telescopic shaft of the cylinder, the lifting shaft passes through the axis of the through hole to the bottom of the crossbeam, and the lifting shaft is slidably connected to the sliding bearing and the inner wall of the spacer sleeve.
[0006] As a preferred technical solution, both ends of the bottom of the crossbeam are fixedly connected with buffer plates, the bottom of the buffer plate is fixedly connected with a gasket, and the bottom of the gasket is fixedly connected with a support rod.
[0007] As a preferred technical solution, a first card slot is provided at the bottom of the gasket, and a second card slot is provided at the bottom of the buffer plate. A first card block is inserted into the first card slot, and a second card block is inserted into the second card slot. The first card block is fixedly connected to the top of the support rod, and the second card block is fixedly connected to the top of the first card block.
[0008] As a preferred technical solution, one side of the support rod is fixedly connected to a support block, the vertical cross-section of the support block is a triangle, and one side of the right-angled surface of the support block is fixedly connected to the bottom of the gasket.
[0009] As an optimal technical solution, a sealing ring is fixedly installed on the outer wall of the lifting shaft, and a limiting sleeve is fixedly connected to the bottom of the beam at the lower end of the through hole, and the limiting sleeve is slidably connected to the lifting shaft.
[0010] As a preferred technical solution, a screw hole is opened on the top of the end cover, and the screw hole passes through the end cover, the bearing seat, the shock-absorbing seat to the inside of the crossbeam, and a screw rod is threadedly connected inside the screw hole.
[0011] As a preferred technical solution, through grooves are provided on one side of the flange seat near the top and bottom of the flange seat, and the through grooves are connected to the inner cavity of the flange seat.
[0012] In summary, the utility model mainly has the following beneficial effects:
[0013] First, a shock-absorbing seat is inserted into the through hole, which buffers the vibration generated by the operation of some cylinders, thereby reducing the wear of the lifting shaft and the sliding bearings and other parts during the lifting process, achieving the purpose of shock absorption and reducing wear. This structure reduces the vibration generated by the operation of the cylinder and reduces the wear between parts;
[0014] Second, by installing a spacer sleeve between the bearing seat and the sliding bearing, the spacer sleeve is in stable contact with the lifting shaft, making the lifting shaft more stable during the up and down movement, thereby achieving the purpose of enhancing the centering ability of the grinder. At the same time, the spacer sleeve reduces the wear between the lifting shaft and the sliding bearing during the up and down movement. This structure improves the stability of the lifting shaft when lifting up and down, and reduces the wear between the lifting shaft and the sliding bearing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the top view structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;
[0017] Figure 3 It is a schematic diagram of the structure of the shock-absorbing seat of the utility model;
[0018] Figure 4 It is a schematic diagram of the support rod structure of the utility model.
[0019] Figure numerals: 1. cross beam, 11. through hole, 2. shock absorber seat, 3. bearing seat, 31. spacer, 32. sliding bearing, 4. end cover, 41. screw hole, 411. screw rod, 42. flange seat, 421. through groove, 43. cylinder, 44. lifting shaft, 45. sealing ring, 46. limiting sleeve, 5. support rod, 51. gasket, 511. first slot, 52. buffer plate, 521. second slot, 53. first block, 54. second block, 6. support block. DETAILED DESCRIPTION
[0020] Example
[0021] refer to Figures 1 to 4 , a grinding machine centering shockproof sleeve described in this embodiment includes a crossbeam 1, a through hole 11 is opened on the top of the crossbeam 1, a shock-absorbing seat 2 is inserted in the through hole 11, a bearing seat 3 is inserted in the axial hole of the shock-absorbing seat 2, a spacer 31 is movably installed in the axial hole of the bearing seat 3, a sliding bearing 32 is movably installed on the top of the spacer 31, the sliding bearing 32 is fixedly connected to the bearing seat 3, an end cover 4 is movably installed on the top of the bearing seat 3, a flange seat 42 is fixedly connected to the top of the end cover 4, a cylinder 43 is fixedly installed on the top of the flange seat 42, a lifting shaft 44 is fixedly connected to the end of the telescopic shaft of the cylinder 43, the lifting shaft 44 passes through the axis of the through hole 11 to the bottom of the crossbeam 1, and the lifting shaft 44 is slidably connected to the sliding bearing 32 and the inner wall of the spacer 31;
[0022] A shock-absorbing seat 2 is inserted into the through hole 11, and the vibration generated by the operation of the cylinder 43 is transmitted to the shock-absorbing seat 2 through the flange seat 42, the end cover 4 and the bearing seat 3. The shock-absorbing seat 2 buffers part of the vibration, thereby reducing the wear of the lifting shaft 44 and the sliding bearing 32 and other parts during the lifting process, thereby achieving the purpose of shock absorption and wear reduction. By installing a spacer sleeve 31 between the bearing seat 3 and the sliding bearing 32, the spacer sleeve 31 is in stable contact with the lifting shaft 44 and is slidably connected, so that the lifting shaft 44 is more stable during the up and down movement due to the support and guiding effect of the spacer sleeve 31, thereby achieving the purpose of improving the stability of the grinder. At the same time, the spacer sleeve 31 reduces the wear caused by the gap between the lifting shaft 44 and the sliding bearing 32 during the up and down movement. This structure improves the stability of the fixed operation of the grinder and reduces the wear between parts.
[0023] refer to Figure 1 , buffer plates 52 are fixedly connected to both ends of the bottom of the beam 1, a gasket 51 is fixedly connected to the bottom of the buffer plate 52, and a support rod 5 is fixedly connected to the bottom of the gasket 51; the vibration generated by the movement of the cylinder 43 is transmitted to the beam 1 and buffered by the buffer plate 52 and the gasket 51, so that the support rod 5 stably supports the beam 1.
[0024] refer to Figure 4A first card slot 511 is provided at the bottom of the gasket 51, and a second card slot 521 is provided at the bottom of the buffer plate 52. A first card block 53 is inserted in the first card slot 511, and a second card block 54 is inserted in the second card slot 521. The first card block 53 is fixedly connected to the top of the support rod 5, and the second card block 54 is fixedly connected to the top of the first card block 53; the vibration of the operation of the cylinder 43 drives the beam 1 to shake in the horizontal direction, and the buffer plate 52 transmits the pressure of the horizontal shaking to the second card block 54 through the second card slot 521, the support rod 5 is stable and the first card block 53 is stable, so that the horizontal pressure of the buffer plate 52 on the first card block 53 through the first card slot 511 is gradually buffered and reduced, thereby achieving the purpose of improving the stability of the beam 1.
[0025] refer to Figure 4 A support block 6 is fixedly connected to one side of the support rod 5, and the vertical cross-section of the support block 6 is a triangle. One side of the right-angled surface of the support block 6 is fixedly connected to the bottom of the gasket 51; one side of the triangular block support surface is connected to the bottom of the gasket 51, and the other side of the right-angled surface of the triangular block is fixedly connected to one side of the support rod 5. According to the principle that the triangle has better stability, the gasket 51 and the support rod 5 can support the beam 1 more stably.
[0026] refer to Figure 3 A sealing ring 45 is fixedly installed on the outer wall of the lifting shaft 44, and a limiting sleeve 46 is fixedly connected to the lower end of the through hole 11 at the bottom of the crossbeam 1, and the limiting sleeve 46 is slidably connected to the lifting shaft 44; the sealing ring 45 is installed on the outer wall of the lifting shaft 44 to prevent dust from entering the bearing seat 3 and the internal parts, and the limiting sleeve 46 is installed at the bottom of the through hole 11. The inner wall of the limiting sleeve 46 contacts the lifting shaft 44, so that the axis of the lifting shaft 44 is more stable during the lifting process.
[0027] refer to Figure 3 A screw hole 41 is provided on the top of the end cover 4, and the screw hole 41 passes through the end cover 4, the bearing seat 3, the shock absorber seat 2 to the inside of the beam 1. A screw rod 411 is threadedly connected inside the screw hole 41; by stably threading the screw rod 411 and the end cover 4, the bearing seat 3, the shock absorber seat 2 and the beam 1 together, the lifting and lowering of the lifting shaft 44 will not shake.
[0028] refer to Figure 1 A through slot 421 is provided on one side of the flange seat 42 near the top and bottom of the flange seat 42, and the through slot 421 is communicated with the inner cavity of the flange seat 42; the operation of the lifting shaft 44 can be observed through the through slot 421 provided on one side of the flange seat 42, so that maintenance personnel can conveniently perform simple maintenance through the through slot 421.
[0029] Principle and advantages of use: The end of the telescopic shaft of the cylinder 43 passes through the flange seat 42 to push the lifting shaft 44 up and down. The lifting shaft 44 moves up and down between the end cover 4 and the bearing seat 3. At the same time, the lifting shaft 44 stably lifts up and down through the sliding bearing 32. The spacer 31 and the limit sleeve 46 support and guide the lifting shaft 44, so that the lifting shaft 44 can stably lift up and down at the axis. The shock-absorbing seat 2 in the through hole 11 of the beam 1 buffers part of the vibration of the cylinder 43. The support rod 5 stably supports the beam 1 through the buffer pad, the gasket 51 and the support block 6. The shock-absorbing seat 2, the bearing seat 3 and the end cover 4 are screwed through the screw hole 41 and the screw rod 411 are stably connected together, the support rod 5 is fixedly connected with the second block 54 by moving the first block 53 in the first slot 511, and the second block 54 buffers the horizontal vibration through the second slot 521 of the buffer plate 52, thereby achieving the purpose of improving the shock absorption capacity of the support rod 5. A sealing ring 45 is installed on the outer wall of the lifting shaft 44, and the sealing ring 45 prevents dust from entering the interior of the sliding bearing 32, reducing the wear of the bearing and the lifting shaft 44. Maintenance personnel can perform simple maintenance through the through slot 421. This structure improves the stability of the grinder operation and reduces the wear between components.
Claims
1. A grinding machine centering and shockproof sleeve, comprising a crossbeam (1), characterized in that: The cross beam (1) is provided with a through hole (11) at the top, a shock absorbing seat (2) is inserted into the through hole (11), a bearing seat (3) is inserted into the axial hole of the shock absorbing seat (2), a spacer (31) is movably installed in the axial hole of the bearing seat (3), a sliding bearing (32) is movably installed at the top of the spacer (31), the sliding bearing (32) is fixedly connected to the bearing seat (3), an end cover (4) is movably installed at the top of the bearing seat (3), a flange seat (42) is fixedly connected to the top of the end cover (4), a cylinder (43) is fixedly installed at the top of the flange seat (42), a lifting shaft (44) is fixedly connected to the end of the telescopic shaft of the cylinder (43), the lifting shaft (44) passes through the axial center of the through hole (11) to the bottom of the cross beam (1), and the lifting shaft (44) is slidably connected to the sliding bearing (32) and the inner wall of the spacer (31).
2. A grinding machine centering and shockproof sleeve according to claim 1, characterized in that: Both ends of the bottom of the crossbeam (1) are fixedly connected to a buffer plate (52), the bottom of the buffer plate (52) is fixedly connected to a gasket (51), and the bottom of the gasket (51) is fixedly connected to a support rod (5).
3. A grinding machine centering and shockproof sleeve according to claim 2, characterized in that: A first card slot (511) is provided at the bottom of the gasket (51), a second card slot (521) is provided at the bottom of the buffer plate (52), a first card block (53) is inserted into the first card slot (511), a second card block (54) is inserted into the second card slot (521), the first card block (53) is fixedly connected to the top of the support rod (5), and the second card block (54) is fixedly connected to the top of the first card block (53).
4. A grinding machine centering and shockproof sleeve according to claim 3, characterized in that: A support block (6) is fixedly connected to one side of the support rod (5); the vertical cross section of the support block (6) is a triangle; and one side of the right-angled surface of the support block (6) is fixedly connected to the bottom of the gasket (51).
5. The grinding machine centering and shockproof sleeve according to claim 1, characterized in that: A sealing ring (45) is fixedly mounted on the outer wall of the lifting shaft (44); a limiting sleeve (46) is fixedly connected to the bottom of the crossbeam (1) at the lower end of the through hole (11); and the limiting sleeve (46) is slidably connected to the lifting shaft (44).
6. The grinding machine centering and shockproof sleeve according to claim 1, characterized in that: A screw hole (41) is provided at the top of the end cover (4), and the screw hole (41) passes through the end cover (4), the bearing seat (3), the shock-absorbing seat (2) to the inside of the crossbeam (1), and a screw rod (411) is threadedly connected inside the screw hole (41).
7. The grinding machine centering and shockproof sleeve according to claim 1, characterized in that: A through groove (421) is provided on one side of the flange seat (42) near the top and bottom of the flange seat (42), and the through groove (421) is communicated with the inner cavity of the flange seat (42).